mpi_mod.f90 79.3 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
!**********************************************************************
! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010         *
! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa,             *
! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann   *
!                                                                     *
! This file is part of FLEXPART.                                      *
!                                                                     *
! FLEXPART is free software: you can redistribute it and/or modify    *
! it under the terms of the GNU General Public License as published by*
! the Free Software Foundation, either version 3 of the License, or   *
! (at your option) any later version.                                 *
!                                                                     *
! FLEXPART is distributed in the hope that it will be useful,         *
! but WITHOUT ANY WARRANTY; without even the implied warranty of      *
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the       *
! GNU General Public License for more details.                        *
!                                                                     *
! You should have received a copy of the GNU General Public License   *
! along with FLEXPART.  If not, see <http://www.gnu.org/licenses/>.   *
!**********************************************************************

module mpi_mod

!*****************************************************************************
!                                                                            *
!  DESCRIPTION                                                               *
!    This module contains subroutines and common variables used for the      *
!    MPI parallelization of FLEXPART.                                        *
!                                                                            *
!  NOTE                                                                      *
!    Depending on the MPI library installed on your system (e.g. mpich2,     *
!    OpenMPI) you may need to choose below in this file between              *
!      use mpi                                                               *
!    (if the MPI library comes with the file 'mpi.mod'); or                  *
!      include 'mpif.h'                                                      *
!                                                                            *
!                                                                            *
!*****************************************************************************
!                                                                            *
! Variables:                                                                 *
!                                                                            *
! mp_ierr                 MPI error code                                     *
! mp_np                   Number of MPI processes                            *
! mp_pid                  Process ID of each MPI process                     *
! mp_seed                 Parameter for random number seed                   *
Espen Sollum's avatar
Espen Sollum committed
46
47
! read_grp_min            Minimum number of processes at which one will be   *
!                         used as reader                                     *
48
49
50
51
52
53
! numpart_mpi,            Number of particles per node                       *
! maxpart_mpi                                                                *
! mp_partid               MPI process ID for particle calculation            *
! mp_partgroup_           Refers to the subset of processors performing      *
!                         loops over particles. Will be all processes        *
!                         unless a dedicated process runs getfields/readwind *
Espen Sollum's avatar
Espen Sollum committed
54
! lmp_sync                If .false., use asynchronous MPI                   *
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
!                                                                            *
!                                                                            *
!                                                                            *
!                                                                            *
!*****************************************************************************

  use mpi 
  use par_mod, only: dp, sp
  use com_mod, only: lroot

  implicit none

!  include 'mpif.h'

  public

! Set aside a process for reading windfields if using at least these many processes
!==================================================
Espen Sollum's avatar
Espen Sollum committed
73
  integer, parameter, private :: read_grp_min=4
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
!==================================================

! Variables for each MPI process in the world group
  integer :: mp_ierr, mp_np, mp_pid, mp_partid
  integer, private :: world_group_id

! Variables for MPI processes in the 'particle' group
  integer, allocatable, dimension(:) :: mp_partgroup_rank
  integer :: mp_partgroup_comm, mp_partgroup_pid, mp_partgroup_np

  integer :: mp_seed=0
  integer, parameter :: mp_sp=MPI_REAL4, mp_dp=MPI_REAL8
  integer, parameter :: mp_pp=mp_sp
  integer, parameter :: id_root=0 ! master process

! MPI tags/requests for send/receive operation
Espen Sollum's avatar
Espen Sollum committed
90
  integer :: tm1
91
  integer, parameter :: nvar_async=26 !27 !29 :DBG:
92
!integer, dimension(:), allocatable :: tags
93
94
95
96
97
98
99
100
101
102
103
104
105
106
  integer, dimension(:), allocatable :: reqs


  integer :: id_read   ! readwind/getfield process
  integer :: numpart_mpi,maxpart_mpi ! number of particles per node
  integer :: tot_numpart=0
  integer :: mp_comm_used ! global or subgroup communicator

  logical :: lmpreader=.false. ! is set to true for reading process(es) only.
  logical :: lmp_use_reader=.false. ! true if separate readwind process is used

! true if only using synchronous MPI send/recv:
! If setting this to .false., numwfmem must be set to 3
!===============================================================================
107
  logical :: lmp_sync=.true. 
108
109
!===============================================================================

Espen Sollum's avatar
Espen Sollum committed
110
! mp_dbg_mode       Used for debugging MPI.
111
112
113
114
! mp_dev_mode       various checks related to debugging the parallel code
! mp_dbg_out        write some arrays to data file for debugging
! mp_measure_time   Measure cpu/wall time, write out at end of run
! mp_time_barrier   Measure MPI barrier time
115
116
! mp_exact_numpart  Use an extra MPI communication to give the exact number of particles
!                   to standard output (this does *not* otherwise affect the simulation) 
117
118
119
120
  logical, parameter :: mp_dbg_mode = .false.
  logical, parameter :: mp_dev_mode = .false.
  logical, parameter :: mp_dbg_out = .false.
  logical, parameter :: mp_time_barrier=.true.
121
  logical, parameter :: mp_measure_time=.true.
122
  logical, parameter :: mp_exact_numpart=.true.
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143

! for measuring CPU/Wall time
  real(sp) :: mp_comm_time_beg, mp_comm_time_end, mp_comm_time_total=0.
  real(dp) :: mp_comm_wtime_beg, mp_comm_wtime_end, mp_comm_wtime_total=0.
  real(sp) :: mp_root_time_beg, mp_root_time_end, mp_root_time_total=0.
  real(dp) :: mp_root_wtime_beg, mp_root_wtime_end, mp_root_wtime_total=0.
  real(sp) :: mp_barrier_time_beg, mp_barrier_time_end, mp_barrier_time_total=0.
  real(dp) :: mp_barrier_wtime_beg, mp_barrier_wtime_end, mp_barrier_wtime_total=0.
  real(sp) :: tm_nploop_beg, tm_nploop_end, tm_nploop_total=0.
  real(sp) :: tm_tot_beg, tm_tot_end, tm_tot_total=0.
  real(dp) :: mp_getfields_wtime_beg, mp_getfields_wtime_end, mp_getfields_wtime_total=0.
  real(sp) :: mp_getfields_time_beg, mp_getfields_time_end, mp_getfields_time_total=0.
  real(dp) :: mp_readwind_wtime_beg, mp_readwind_wtime_end, mp_readwind_wtime_total=0.
  real(sp) :: mp_readwind_time_beg, mp_readwind_time_end, mp_readwind_time_total=0.
  real(dp) :: mp_io_wtime_beg, mp_io_wtime_end, mp_io_wtime_total=0.
  real(sp) :: mp_io_time_beg, mp_io_time_end, mp_io_time_total=0.
  real(dp) :: mp_wetdepo_wtime_beg, mp_wetdepo_wtime_end, mp_wetdepo_wtime_total=0.
  real(sp) :: mp_wetdepo_time_beg, mp_wetdepo_time_end, mp_wetdepo_time_total=0.
  real(dp) :: mp_advance_wtime_beg, mp_advance_wtime_end, mp_advance_wtime_total=0.
  real(dp) :: mp_conccalc_time_beg, mp_conccalc_time_end, mp_conccalc_time_total=0.
  real(dp) :: mp_total_wtime_beg, mp_total_wtime_end, mp_total_wtime_total=0.
144
145
  real(dp) :: mp_vt_wtime_beg, mp_vt_wtime_end, mp_vt_wtime_total
  real(sp) :: mp_vt_time_beg, mp_vt_time_end, mp_vt_time_total
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203

! dat_lun           logical unit number for i/o
  integer, private :: dat_lun 

contains

  subroutine mpif_init
!***********************************************************************
! DESCRIPTION
!   Initialize MPI.
!   
!   Create the global communicator MPI_COMM_WORLD
!   If using a separate MPI process for getfields/readwind, a subgroup
!   is created for the other processes.
!
! VARIABLES
!   mpi_mode    default 0, set to 2/3 if running MPI version
!   mp_np       number of running processes, decided at run-time
!***********************************************************************
    use par_mod, only: maxpart, numwfmem
    use com_mod, only: mpi_mode

    implicit none

    integer :: i,j,s,addmaxpart=0

! each process gets an ID (mp_pid) in the range 0,..,mp_np-1
    call MPI_INIT(mp_ierr)
    if (mp_ierr /= 0) goto 100
    call MPI_COMM_RANK(MPI_COMM_WORLD, mp_pid, mp_ierr)
    if (mp_ierr /= 0) goto 100
    call MPI_COMM_SIZE(MPI_COMM_WORLD, mp_np, mp_ierr)
    if (mp_ierr /= 0) goto 100


! this variable is used to handle subroutines common to parallel/serial version
    if (lmp_sync) then
      mpi_mode=2 ! hold 2 windfields in memory
    else
      mpi_mode=3 ! hold 3 windfields in memory
    end if

    if (mp_pid.ne.0) then
      lroot = .false.
    end if

! Check for sensible combination of parameters
!*********************************************

    if (.not.lmp_sync.and.numwfmem.ne.3.and.lroot) then
      write(*,FMT='(80("#"))')
      write(*,*) '#### mpi_mod::mpif_init> ERROR: ', &
           & 'numwfmem must be set to 3 for asyncronous reading ####'
      write(*,FMT='(80("#"))')
      stop
    else if (lmp_sync.and.numwfmem.ne.2.and.lroot) then
      write(*,FMT='(80("#"))')
      write(*,*) '#### mpi_mod::mpif_init> WARNING: ', &
204
205
206
           & 'numwfmem should be set to 2 for syncronous'
      write(*,*) ' reading. Results will still be valid, but unneccesary '
      write(*,*) 'amount of memory is being allocated.'
207
      write(*,FMT='(80("#"))')
Espen Sollum's avatar
Espen Sollum committed
208
! Force "syncronized" version if all processes will call getfields
209
    else if ((.not.lmp_sync.and.mp_np.lt.read_grp_min).or.(mp_np.eq.1)) then
Espen Sollum's avatar
Espen Sollum committed
210
211
212
213
214
215
216
      if (lroot) then
        write(*,FMT='(80("#"))')
        write(*,*) '#### mpi_mod::mpif_init> WARNING: ', &
             & 'all procs call getfields. Setting lmp_sync=.true.'
        write(*,FMT='(80("#"))')
      end if
      lmp_sync=.true. ! :DBG: eso fix this...
217
    end if
218
219

! TODO: Add more warnings for unimplemented flexpart features
220
221
222
223
224
225
226
227
228
229
230
231
232

! Set ID of process that calls getfield/readwind. 
! Using the last process in the group ensures statistical identical results
! as running with one process less but not using separate read process
!**********************************************************************

!    id_read = min(mp_np-1, 1)
    id_read = mp_np-1

    if (mp_pid.eq.id_read) lmpreader=.true.

    call MPI_Comm_group (MPI_COMM_WORLD, world_group_id, mp_ierr)

Espen Sollum's avatar
Espen Sollum committed
233
! Create a MPI group/communicator that will calculate trajectories. 
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
! Skip this step if program is run with only a few processes
!************************************************************************
    allocate(mp_partgroup_rank(0:mp_np-2))

! This allows checking for allocation of arrays when no subgroup is used
    mp_partgroup_pid=0

    if (read_grp_min.lt.2) then
      write(*,*) '#### mpi_mod::mpif_init> ERROR ####', &
           & 'read_grp_min should be at least 2. Exiting'
      stop
    end if

    if (mp_np.ge.read_grp_min) then
      lmp_use_reader = .true.

Espen Sollum's avatar
Espen Sollum committed
250
! Map the subgroup IDs= 0,1,2,...,mp_np-2, skipping reader process
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
      j=-1 
      do i=0, mp_np-2 !loop over all (subgroup) IDs
        j=j+1
        if (i.eq.id_read) then
          j=j+1
        end if
        mp_partgroup_rank(i) = j
      end do

      call MPI_Group_incl (world_group_id, mp_np-1, mp_partgroup_rank, &
           &mp_partgroup_pid, mp_ierr)
      if (mp_ierr /= 0) goto 100
      call MPI_Comm_create (MPI_COMM_WORLD, mp_partgroup_pid, mp_partgroup_comm, mp_ierr)
      if (mp_ierr /= 0) goto 100

      if (mp_pid.ne.id_read) then
        call MPI_Comm_rank (mp_partgroup_comm, mp_partgroup_pid, mp_ierr)
        if (mp_ierr /= 0) goto 100

! Get size of new group (=mp_np-1)
        call MPI_COMM_SIZE(mp_partgroup_comm, mp_partgroup_np, mp_ierr)
        if (mp_ierr /= 0) goto 100
        if (mp_partgroup_np.ne.mp_np-1) then
          write(*,*)  '#### mpi_mod:: mpif_init> ERROR ####&
               & mp_partgroup_np.ne.mp_np-1'
          stop
        endif

      else
        mp_partgroup_pid = -1
      end if
    end if

    if (lmp_use_reader) then
      mp_comm_used = mp_partgroup_comm
      mp_partid = mp_partgroup_pid
      mp_partgroup_np=mp_np-1
    else
      mp_comm_used = MPI_COMM_WORLD
      mp_partgroup_np = mp_np
      mp_partid = mp_pid
    end if

! Set maxpart per process
    if (mp_partid.lt.mod(maxpart,mp_partgroup_np)) addmaxpart=1
    maxpart_mpi=int(maxpart/mp_partgroup_np)+addmaxpart

! Do not allocate particle data arrays for readwind process
    if (lmpreader.and.lmp_use_reader) then
      maxpart_mpi=0
    end if

! Set random seed for each non-root process
    if (mp_pid.gt.0) then
!    if (mp_pid.ge.0) then
!      call system_clock(s)
      s = 244
      mp_seed = -abs(mod((s*181)*((mp_pid-83)*359), 104729))
    end if
    if (mp_dev_mode) write(*,*) 'PID, mp_seed: ',mp_pid, mp_seed
Espen Sollum's avatar
Espen Sollum committed
311
312
313
314
315
    if (mp_dbg_mode) then
! :DBG: For debugging, set all seed to 0 and maxrand to e.g. 20
      mp_seed=0
      if (lroot) write(*,*) 'MPI: setting seed=0'
    end if
316
317
318
319

! Allocate request array for asynchronous MPI
    if (.not.lmp_sync) then
      allocate(reqs(0:nvar_async*mp_np-1))
Espen Sollum's avatar
Espen Sollum committed
320
      reqs(:)=MPI_REQUEST_NULL
321
322
    else
      allocate(reqs(0:1))
Espen Sollum's avatar
Espen Sollum committed
323
      reqs(:)=MPI_REQUEST_NULL
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
    end if

    goto 101

100 write(*,*) '#### mpi_mod::mpif_init> ERROR ####', mp_ierr
    stop

101 end subroutine mpif_init


  subroutine mpif_mpi_barrier
!***********************************************************************
! Set MPI barrier (all processes are synchronized here), with the
! possible exception of a separate 'readwind' process.
! Optionally measure cpu/wall time.
!
!***********************************************************************
    implicit none

    if (mp_time_barrier) then
      call cpu_time(mp_barrier_time_beg)
      mp_barrier_wtime_beg = mpi_wtime()
    endif

    call MPI_BARRIER(mp_comm_used, mp_ierr)
    if (mp_ierr /= 0) goto 100

    if (mp_time_barrier) then
      call cpu_time(mp_barrier_time_end)
      mp_barrier_wtime_end = mpi_wtime()

      mp_barrier_time_total=mp_barrier_time_total+&
           &(mp_barrier_time_end-mp_barrier_time_beg)
      mp_barrier_wtime_total=mp_barrier_wtime_total+&
           &(mp_barrier_wtime_end-mp_barrier_wtime_beg)
    end if

    goto 101

100 write(*,*) '#### mpi_mod::mpif_mpi_barrier> ERROR ####', mp_ierr
    stop

101 end subroutine mpif_mpi_barrier


  subroutine mpif_com_mod_allocate
!*******************************************************************************    
! Dynamic allocation of arrays (in serial code these have size maxpart)
!
!*******************************************************************************
    use com_mod

    implicit none 

    integer :: array_size

    array_size = maxpart_mpi

    allocate(itra1(array_size),npoint(array_size),&
         & nclass(array_size),idt(array_size),&
         & itramem(array_size),itrasplit(array_size),&
         & xtra1(array_size),ytra1(array_size),&
         & ztra1(array_size),xmass1(array_size, maxspec))

    allocate(uap(array_size),ucp(array_size),&
         & uzp(array_size),us(array_size),&
         & vs(array_size),&
         & ws(array_size),cbt(array_size))


  end subroutine mpif_com_mod_allocate


  subroutine mpif_tm_send_dims
!***********************************************************************
! Distribute array dimensions from pid0 to all processes.
! numpart_mpi/numpart is sent to allow dynamic allocation
!
! Currently not in use.
!
! Variables of similar type (integer, real) are placed in an array
! and sent collectively, to avoid the overhead associated with individual
! MPI send/receives
!
!
!***********************************************************************
    use com_mod

    implicit none

    integer :: add_part=0

Espen Sollum's avatar
Espen Sollum committed
416
    call MPI_Bcast(numpart, 1, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438

! MPI subgroup does the particle-loop 
    if (lmp_use_reader) then
      if (mod(numpart,mp_partgroup_np).ne.0) add_part=1
      numpart_mpi=int(numpart/mp_partgroup_np)+add_part
    else
      if (mod(numpart,mp_np).ne.0) add_part=1
      numpart_mpi=int(numpart/mp_np)+add_part
    end if


! redefine numpart as 'numpart per process' throughout the code
!**************************************************************
    numpart = numpart_mpi

  end subroutine mpif_tm_send_dims


  subroutine mpif_tm_send_vars
!***********************************************************************
! Distribute particle variables from pid0 to all processes.
! Called from timemanager
439
! *NOT IN USE* at the moment, but can be useful for debugging
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
!
!***********************************************************************
    use com_mod

    implicit none

    integer :: i

! Time for MPI communications
!****************************
    if (mp_measure_time) call mpif_mtime('commtime',0)

! Distribute variables, send from pid 0 to other processes
!**********************************************************************

! integers
    if (lroot) then
      call MPI_SCATTER(npoint,numpart_mpi,MPI_INTEGER,MPI_IN_PLACE,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(idt,numpart_mpi,MPI_INTEGER,MPI_IN_PLACE,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(itra1,numpart_mpi,MPI_INTEGER,MPI_IN_PLACE,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(nclass,numpart_mpi,MPI_INTEGER,MPI_IN_PLACE,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(itramem,numpart_mpi,MPI_INTEGER,MPI_IN_PLACE,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 

! int2
      call MPI_SCATTER(cbt,numpart_mpi,MPI_INTEGER2,MPI_IN_PLACE,&
           &numpart_mpi,MPI_INTEGER2,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600

! real
      call MPI_SCATTER(uap,numpart_mpi,mp_pp,MPI_IN_PLACE,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_SCATTER(ucp,numpart_mpi,mp_pp,MPI_IN_PLACE,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_SCATTER(uzp,numpart_mpi,mp_pp,MPI_IN_PLACE,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600

      call MPI_SCATTER(us,numpart_mpi,mp_pp,MPI_IN_PLACE,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_SCATTER(vs,numpart_mpi,mp_pp,MPI_IN_PLACE,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_SCATTER(ws,numpart_mpi,mp_pp,MPI_IN_PLACE,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600

      call MPI_SCATTER(xtra1,numpart_mpi,mp_dp,MPI_IN_PLACE,&
           &numpart_mpi,mp_dp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(ytra1,numpart_mpi,mp_dp,MPI_IN_PLACE,&
           &numpart_mpi,mp_dp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(ztra1,numpart_mpi,mp_pp,MPI_IN_PLACE,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 

      do i=1,nspec
        call MPI_SCATTER(xmass1(:,i),numpart_mpi,mp_pp,MPI_IN_PLACE,&
             &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
        if (mp_ierr /= 0) goto 600 
      end do

    else ! (mp_pid >= 1)
! integers
      call MPI_SCATTER(npoint,numpart_mpi,MPI_INTEGER,npoint,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(idt,numpart_mpi,MPI_INTEGER,idt,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(itra1,numpart_mpi,MPI_INTEGER,itra1,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(nclass,numpart_mpi,MPI_INTEGER,nclass,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(itramem,numpart_mpi,MPI_INTEGER,itramem,&
           &numpart_mpi,MPI_INTEGER,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 

! int2
      call MPI_SCATTER(cbt,numpart_mpi,MPI_INTEGER2,cbt,&
           &numpart_mpi,MPI_INTEGER2,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600

! reals
      call MPI_SCATTER(uap,numpart_mpi,mp_pp,uap,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_SCATTER(ucp,numpart_mpi,mp_pp,ucp,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_SCATTER(uzp,numpart_mpi,mp_pp,uzp,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600

      call MPI_SCATTER(us,numpart_mpi,mp_pp,us,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_SCATTER(vs,numpart_mpi,mp_pp,vs,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_SCATTER(ws,numpart_mpi,mp_pp,ws,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600

      call MPI_SCATTER(xtra1,numpart_mpi,mp_dp,xtra1,&
           &numpart_mpi,mp_dp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(ytra1,numpart_mpi,mp_dp,ytra1,&
           &numpart_mpi,mp_dp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_SCATTER(ztra1,numpart_mpi,mp_pp,ztra1,&
           &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
      if (mp_ierr /= 0) goto 600 

      do i=1,nspec
        call MPI_SCATTER(xmass1(:,i),numpart_mpi,mp_pp,xmass1(:,i),&
             &numpart_mpi,mp_pp,id_root,mp_comm_used,mp_ierr)
        if (mp_ierr /= 0) goto 600 
      end do

    end if !(lroot)

    if (mp_measure_time) call mpif_mtime('commtime',1)

    goto 601

600 write(*,*) "mpi_mod> mp_ierr \= 0", mp_ierr
    stop
601 end subroutine mpif_tm_send_vars


  subroutine mpif_tm_collect_vars
!*******************************************************************************
! Collect particle data to PID 0 from all processes.                           *
!                                                                              *
! This can be called from timemanager_mpi, before caclulating                  *
! concentrations/writing output grids.                                         *
!                                                                              *
593
594
! Currently *not in use*, as each process calculates concentrations            *
! separately, but can be useful for debugging                                  *
595
596
597
598
599
!                                                                              *
! To use this routine (together with mpif_tm_send_vars) to transfer data       *
! to the MPI root process (useful for debugging), insert code like this        *
! (in timemanager_mpi.f90)                                                     *
!                                                                              *
600
!      if (lroot) tot_numpart=numpart ! root stores total numpart              *
601
602
603
604
605
606
607
608
609
!      call mpif_tm_send_dims                                                  *
!      if (numpart>1) then                                                     *
!        call mpif_tm_send_vars                                                *
!      end if                                                                  *
!                                                                              *
!    To collect data from all processes to root process after a parallel       *
!    region:                                                                   *
!                                                                              *
!      if (numpart>0) then                                                     *
610
!          if (lroot) numpart = tot_numpart                                    *
611
612
613
!       call mpif_tm_collect_vars                                              *
!      end if                                                                  *
!                                                                              *
614
615
! Then a section that begins with "if (lroot) ..." will behave like            *
! serial flexpart                                                              *
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
!                                                                              *
!*******************************************************************************
    use com_mod !, only: numpart, nspec, itra1, npoint, nclass

    implicit none

    integer :: i

    logical :: use_mp_vars = .false.! use mp_... type allocated vars
    logical :: use_in_place = .true.! use MPI_IN_PLACE to collect vars.


! Time for MPI communications
    if (mp_measure_time) call mpif_mtime('commtime',0)

! Distribute variables, send from pid 0 to other processes
!**********************************************************************

    if (.not. use_mp_vars.and..not.use_in_place) then

! Integers:
      call MPI_GATHER(npoint, numpart_mpi, MPI_INTEGER, npoint, &
           &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(idt, numpart_mpi, MPI_INTEGER, idt, &
           &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(itra1, numpart_mpi, MPI_INTEGER, itra1, &
           &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(nclass, numpart_mpi, MPI_INTEGER, nclass, &
           &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(itramem, numpart_mpi, MPI_INTEGER, itramem, &
           &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 

! int2
      call MPI_GATHER(cbt, numpart_mpi, MPI_INTEGER2, cbt, &
           &numpart_mpi, MPI_INTEGER2, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 

! Reals:
      call MPI_GATHER(uap, numpart_mpi, mp_pp, uap, &
           &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(ucp, numpart_mpi, mp_pp, ucp, &
           &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(uzp, numpart_mpi, mp_pp, uzp, &
           &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 

      call MPI_GATHER(us, numpart_mpi, mp_pp, us, &
           &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_GATHER(vs, numpart_mpi, mp_pp, vs, &
           &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(ws, numpart_mpi, mp_pp, ws, &
           &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600


      call MPI_GATHER(xtra1, numpart_mpi, mp_dp, xtra1, &
           &numpart_mpi, mp_dp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(ytra1, numpart_mpi, mp_dp, ytra1, &
           &numpart_mpi, mp_dp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_GATHER(ztra1, numpart_mpi, mp_pp, ztra1, &
           &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
      if (mp_ierr /= 0) goto 600 

      do i=1, nspec
        call MPI_GATHER(xmass1(:,i), numpart_mpi, mp_pp, xmass1(:,i), &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

      end do

! Use variables npoint etc directly for communications
!***********************************************************************
    else if (use_in_place.and..not.use_mp_vars) then
      if (lroot) then
! Integers:
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, MPI_INTEGER, npoint, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, MPI_INTEGER, idt, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, MPI_INTEGER, itra1, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, MPI_INTEGER, nclass, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, MPI_INTEGER, itramem, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

! int2
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, MPI_INTEGER2, cbt, &
             &numpart_mpi, MPI_INTEGER2, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

! Reals:
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_pp, uap, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_pp, ucp, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_pp, uzp, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_pp, us, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_pp, vs, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_pp, ws, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600


        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_dp, xtra1, &
             &numpart_mpi, mp_dp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_dp, ytra1, &
             &numpart_mpi, mp_dp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_pp, ztra1, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

        do i=1, nspec
          call MPI_GATHER(MPI_IN_PLACE, numpart_mpi, mp_pp, xmass1(:,i), &
               &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
          if (mp_ierr /= 0) goto 600 
        end do

      else ! (for mp_pid >= 1)

! Integers:
        call MPI_GATHER(npoint, numpart_mpi, MPI_INTEGER, npoint, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(idt, numpart_mpi, MPI_INTEGER, idt, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(itra1, numpart_mpi, MPI_INTEGER, itra1, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(nclass, numpart_mpi, MPI_INTEGER, nclass, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(itramem, numpart_mpi, MPI_INTEGER, itramem, &
             &numpart_mpi, MPI_INTEGER, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

! int2
        call MPI_GATHER(cbt, numpart_mpi, MPI_INTEGER2, cbt, &
             &numpart_mpi, MPI_INTEGER2, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

! Reals:
        call MPI_GATHER(uap, numpart_mpi, mp_pp, uap, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(ucp, numpart_mpi, mp_pp, ucp, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(uzp, numpart_mpi, mp_pp, uzp, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

        call MPI_GATHER(us, numpart_mpi, mp_pp, us, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600
        call MPI_GATHER(vs, numpart_mpi, mp_pp, vs, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(ws, numpart_mpi, mp_pp, ws, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600


        call MPI_GATHER(xtra1, numpart_mpi, mp_dp, xtra1, &
             &numpart_mpi, mp_dp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(ytra1, numpart_mpi, mp_dp, ytra1, &
             &numpart_mpi, mp_dp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 
        call MPI_GATHER(ztra1, numpart_mpi, mp_pp, ztra1, &
             &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
        if (mp_ierr /= 0) goto 600 

        do i=1, nspec
          call MPI_GATHER(xmass1(:,i), numpart_mpi, mp_pp, xmass1(:,i), &
               &numpart_mpi, mp_pp, id_root, mp_comm_used, mp_ierr)
          if (mp_ierr /= 0) goto 600 
        end do
      end if ! (lroot)
    end if !  (use_in_place)

    if (mp_measure_time) call mpif_mtime('commtime',1)

    goto 601

600 write(*,*) "mpi_mod> mp_ierr \= 0", mp_ierr
    stop
601 end subroutine mpif_tm_collect_vars


  subroutine mpif_gf_send_vars(memstat)
!*******************************************************************************
! DESCRIPTION
Espen Sollum's avatar
Espen Sollum committed
837
!   Distribute 'getfield' variables from reader process
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
! 
!   Called from timemanager
!
! NOTE
!   This subroutine distributes windfields read from the reader process to
!   all other processes. Usually one set of fields is transfered, but at
!   first timestep when there are no fields in memory, both are transfered.
!   MPI_Bcast is used, so implicitly all processes are synchronized at this
!   step
!
! TODO
!   GFS version
!
!*******************************************************************************
    use com_mod
    use par_mod,only: numwfmem

    implicit none

    integer, intent(in) :: memstat

! Common array sizes used for communications
    integer, parameter :: d3_size1 = nxmax*nymax*nzmax
    integer, parameter :: d3_size2 = nxmax*nymax*nuvzmax
    integer, parameter :: d2_size1 = nxmax*nymax
    integer, parameter :: d2_size2 = nxmax*nymax*maxspec
    integer, parameter :: d2_size3 = nxmax*nymax
    integer, parameter :: d1_size1 = maxwf

    integer :: d3s1,d3s2,d2s1,d2s2

! li,ui    lower,upper indices of fields to be transfered (1-3, ui>=li) 
    integer :: li,ui

! First time routine is called the unchangeable fields will be transfered    
    logical :: first_call=.true.

!**********************************************************************

! Sizes of arrays transfered
    d3s1=d3_size1
    d3s2=d3_size2
    d2s1=d2_size1 
    d2s2=d2_size2

! Decide which field(s) need to be transfered
    if (memstat.ge.32) then ! distribute 2 fields, to 1st/2nd indices 
      li=1; ui=2
      d3s1=2*d3_size1
      d3s2=2*d3_size2
      d2s1=2*d2_size1 
      d2s2=2*d2_size2
    else if (memstat.eq.17) then ! distribute 1 field, place on 1st index
      li=1; ui=1
    else if (memstat.eq.18) then ! distribute 1 field, place on 2nd index
      li=2; ui=2
    else if (memstat.eq.19) then ! distribute 1 field, place on 3nd index
      li=3; ui=3
    else
      write(*,*) '#### mpi_mod::mpif_gf_send_vars> ERROR: ', &
           & 'wrong value of memstat, exiting ####', memstat
      stop
    end if


! Time for MPI communications
    if (mp_measure_time) call mpif_mtime('commtime',0)

! Send variables from getfield process (id_read) to other processes
!**********************************************************************

909
! The non-reader processes need to know if cloud water were read.
Espen Sollum's avatar
Espen Sollum committed
910
911
912
913
! TODO: only at first step or always?
    call MPI_Bcast(readclouds,1,MPI_LOGICAL,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 

914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
! Static fields/variables sent only at startup
    if (first_call) then
      call MPI_Bcast(oro(:,:),d2_size3,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_Bcast(excessoro(:,:),d2_size3,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_Bcast(lsm(:,:),d2_size3,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_Bcast(xlanduse(:,:,:),d2_size3*numclass,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_Bcast(wftime,d1_size1,MPI_INTEGER,id_read,MPI_COMM_WORLD,mp_ierr)
      if (mp_ierr /= 0) goto 600
      call MPI_Bcast(numbwf,1,MPI_INTEGER,id_read,MPI_COMM_WORLD,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_Bcast(nmixz,1,MPI_INTEGER,id_read,MPI_COMM_WORLD,mp_ierr)
      if (mp_ierr /= 0) goto 600 
      call MPI_Bcast(height,nzmax,MPI_INTEGER,id_read,MPI_COMM_WORLD,mp_ierr)
Espen Sollum's avatar
Espen Sollum committed
931
      if (mp_ierr /= 0) goto 600
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960

      first_call=.false.
    endif

    call MPI_Bcast(uu(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(vv(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(uupol(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(vvpol(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(ww(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600
    call MPI_Bcast(tt(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(rho(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(drhodz(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(tth(:,:,:,li:ui),d3s2,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(qvh(:,:,:,li:ui),d3s2,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(qv(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600
    call MPI_Bcast(pv(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(clouds(:,:,:,li:ui),d3s1,MPI_INTEGER1,id_read,MPI_COMM_WORLD,mp_ierr)
Espen Sollum's avatar
Espen Sollum committed
961
962
963
964
    if (mp_ierr /= 0) goto 600

! cloud water/ice:
    if (readclouds) then
965
966
967
      ! call MPI_Bcast(icloud_stats(:,:,:,li:ui),d2s1*5,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
      ! if (mp_ierr /= 0) goto 600
      call MPI_Bcast(clw4(:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
Espen Sollum's avatar
Espen Sollum committed
968
      if (mp_ierr /= 0) goto 600
969
970
971
972
      ! call MPI_Bcast(clwc(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
      ! if (mp_ierr /= 0) goto 600
      ! call MPI_Bcast(ciwc(:,:,:,li:ui),d3s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
      ! if (mp_ierr /= 0) goto 600
Espen Sollum's avatar
Espen Sollum committed
973
    end if
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000

! 2D fields
    call MPI_Bcast(cloudsh(:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(vdep(:,:,:,li:ui),d2s2,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(ps(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600
    call MPI_Bcast(sd(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600
    call MPI_Bcast(tcc(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600
    call MPI_Bcast(tt2(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(td2(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(lsprec(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(convprec(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(ustar(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(wstar(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(hmix(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)
    if (mp_ierr /= 0) goto 600 
    call MPI_Bcast(tropopause(:,:,:,li:ui),d2s1,mp_pp,id_read,MPI_COMM_WORLD,mp_ierr)